Pierburg is a leading OEM manufacturer of automotive fluid handling and engine management components
Road and competition ready: Built to perform reliably in demanding driving conditions
Improved Fuel Efficiency: Optimizes air-fuel ratio to reduce fuel consumption
7L6 BMW L7 1986–1987 3
0 TFSI Audi A4 B7 Avant (8ED) 2006–2008 2
Audi VW Thermostat 06J121113C – Rein CTN0046 CAYENNE 955 Pierburg is a leading OEMThe Rein Engine Coolant Thermostat (CTN0046) is a direct OEM replacement for Audi and Volkswagen vehicles with the 2. 0L TSI TFSI engine. It replaces part number 06J121113C and ensures precise coolant flow regulation, preventing overheating and maintaining optimal engine temperature. This thermostat fits a wide range of models from 2009 to 2018 including Audi A4, A5, Q5, A6, TT, Q3, and VW Tiguan, GTI, Jetta, Golf R, Passat, CC, and Eos. Key Features